Cambridge

County:: Henry County
County Seat:: Yes
Area (mi²):: 1.991
State:: Illinois

Cambridge is a village located in Henry County, Illinois. Cambridge has a 2025 population of 2,021. It is also the county seat of Henry County. Cambridge is currently declining at a rate of -0.64% annually and its population has decreased by -3.07% since the most recent census, which recorded a population of 2,085 in 2020.

The average household income in Cambridge is $82,098 with a poverty rate of 7.4%.The median age in Cambridge is 35.6 years: 32.6 years for males, and 40.5 years for females.

Demographics

The racial composition of Cambridge includes 92.22% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,014	92.22%
Two or more races	98	4.49%
Black or African American	53	2.43%
Asian	19	0.87%

Cambridge Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cambridge's average per capita income is $39,818. Household income levels show a median of $72,292. The poverty rate stands at 7.4%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$92,083	-
Families	$81,500	$92,284
Households	$72,292	$82,098
Non Families	$43,516	$51,222

$39,818

Average Income

$72,292

Median Household Income

7.4%

Poverty Rate